Extractor for automatic and other firearms.



H. A. MERCIE.

EXTRACTOR FOR AUTOMATIC AND OTHER FIREARMS.

APPLICATION FILED JULY 29, IBIB- RENEWED JULY 2, me.

Patented Sept. 30, 1919.

THE COLUMBIA PLANfiGkATH 0).. WASHINGTON, n r.

I H. A. MERCIE.

EXTRACTOR FOR AUTOMATIC ANDOTHER FIREARMS.

AP l ION FILED JULY 29, I9IB- RENEWED JUL Y 2, l9l9.

Patented Sept. 30, 1919.

2 EEEEEEEEEEEE 2.

stra ns to I ti-cum Whehthe pfje I bridge is fragile to" a} certainexte'rit "afi'd therefore constitutesfa 'weakpoint ef, the

" nrefitief the l'atteri en n A. M

I Q Q1 IIDBQ- O 1 1 f I c I entitled. Improvements in i automatebreech-block fabovefthe "extriietqr is Operated I by the piston {loeatedbelow the .Iiou

' ingffcl' the extractor is3fqi'rrife I narrow bridge, on each csi'iilefdtwhich' 0p-v breech block'.

I The present injpari. ar ffl jrangement whereby the said. bridge maybedis ensed with, thus enabling one tangonly to" e used on the piston andthe'extractor I to be arranged in, the Very axis :of -t hebreeehrbleck,' I en ftrrangemefit ,whicha peni'n g and closingieftheibf'ech' atelier fected"by' theTtiFtihg t V -1 1 F re '52,'"eX-ztggereitedscale; elevation, at {front breech-bleak Ptake ,plae bum ng I I ecizflly the ormirrg thei subje'ctg f UnitedjStgsLetterSPatefitfappiste'n' ,fagtheeitrector arms wherein the-firing pip,locitted"-ihthe- I I I I II g'raspi'iig fheha rtridge' rimand with an 1nI emma-p y 21' very- OIf; hspi mgx" xmdtor. w x rate-c et ng's which arflc nt l l. i h h "pist'o'ri "mid iic't'uite the-fifirihg pifil The If II to the presence, oppositethe said I plane, of an inclinedplanej-aPfcrmed pl'fesen't jir'iventien is Very "s'hdrt;comparetieriedlipateritf 'daft'd' Oct, 1 5; 191-2; On the I *fthe;'{aferementiched @dmwbacks ali'e "dbire t v away .W1th,' I as; regardsits spring. .I iFifi-jlly;

Fig; L 7, "in longitu iii thexihousfiligfor the extractor; it e ne'eaetr-iaei tebeeextmtmg'1:

yThe; extractorlcis formed, with a cavity 'Z cfiFig; 6, serving as 'ahousingforjthefspring c thelatter taking a bearing; on'the' other; hand,in avrecess az?',rl*fi ,g. 7, formedin'thef' housing-in the breech blockfcrthe extractor; II .7 A notch c' Figs; 5, 6,7 fermed in the e3 e V'duced'T'fr'om the rearQWitH-the claw I0 in gti xnesf pretected andguided,; can; only, be

V ping anddismounting the extractpr;

'0 in its cavityl c fi vtheextraetqr 0 is intro:

- frIOnt',z-by;ea 1sing-itj to ride I over the; inclined plane it, untilthe inclined plane of the neint 01f; loulle't; or any] suitableinstrument, afterfwh ch theextraetor is caused-t0 176065310 v idlsmounting, the sprlngc si eemmounting, until iit leayes thecavity611?, whereupon the extractor, is caused" to be ezitr acterfrem itshousing. 'e tiwill be ;olo,servedQthat, as; the hreeeh is 3 opened, thelbreech-bld'ck 1a operatedllpyl the.

' 'pisten b being ahrnptlythrust downward,

; ,the lower faee Ldfthe; extractor lays' 'exaetly; 7

r ha a nst l rre ndin itli f xlii mi sla a spring inthe transverse: dreetien is. ayoided. The extraetor tspring- 0 7,1being thusi-at all uppr ce of he normally distorted in the longitndinal direction; O nqtheother hand, the arrangement.

v aceordin'gte the intention; makes tit pqssible to; obtain, besides a,sin plificatien in V the manufacture, a L very compact -extraet0r,'.Which takes up little r0pm,.. Finally; the

extractor" can, owing to its reduction in l length; 7, be lgeatedentirely "at the front of v t eiz forem ie F Pa i pplied 1for n Dec mb r0, 917, Se l ire-20 ,5 2, p tly n 'age re u ti theri f o sr he -t m b :Qoperat ng L ne m y b r duc d o ciple, thefsaine asthatf0f' theextractor, covered in the aforementioned,patent 'pf Oct. 15,1912. Themountlng and 1 dismountingi are ef- .fected as fellows After? placingthe spring xtractor eonies into 'eontaet with'itheaplane a?) "The springis thennornpressed by nsing V tiltedoutwardly, Whileatthe same time thememe ofthe i the" we bi i thep stq e ua g-t n Pi11;; d is e a n h nazesis" t e. s t the"? arrangement of firefai'mv 5 described in;

.i ih am pl n a th rsef p m g tangs,fqrtheifiringpin;'Thevessentialadline of the firing-pim'as shown in Figsh'? with alaterally"openzrecess, for the ext'rae j} tor, thr0ugh Whieh the;extractor may be l i I 651,} I

readily removed, 7 and f-Wi'th a"transverse shoulder "partly closing-theforward portion ofthe lateralrecess;said'fshoulderyhaving a i edge; faceproj eCting. 1' into :said, extractor hole 1 is suflibiene mfgmgd eenterand 7 While" at the same; time n ref {strength isimparted to'esewpart's' as 'a I,

recess, va -lengitudinally 'niovable extraet er mounted" in; sa1d=extraetqr, recess, and pro-J 0 I vided with a Wedge faceon itsbackengaging said wedge faee .301 1 lthe' 'breech 'bloek, T i

.7 and with'jaelaw'oppositely;dispesed tq' said 1 Wedge'face,saidextractorfbeing also pre vided with an axial chamber in the "rearend; rthereef, as, coil-shapedextraetor fspring also mountedin;saidaxialcharnberjandpidQ f .jectingrearwardinto said ppen "recess and t nermally;pressing,saidfextractor oward ckifsnbcoin 1 tiong'efga reeilorqeatingbreech; blo cjk fprg yidedwith a laterally} pen recess fer the 1'extractor,,throngh which the extractorlniay Y ,be readily rempvedi. andwith fa ftransyei se a f r ar P ion 3 shoulder paftlj closing --th e vft flzl t lia i i $3 wedg :fa ep Qiwtin ce sr n i udin y.

a a] coi -S ap d nnted; n said axla y l z iitfiatorf Q '.-mounted insaid elitraeteiffrecess l nd pmg ded. i ev deefabe 1 flk5- i ."ingisaidWedge facepn-thebreeeh;block, and i I i disposed f to said aw dg aceg ad e traetor ;being o; pro-i videdlwithf ani axial' ehamberf in the rearend thereof, and With a nbtch thre ugh theouter v w ;.Wall o f saidchamheriat the rear end there-1 A n l bl" pring also re wardinte'saidopenreceseandimpq *ima ly p e in Sa d; 1i ward aid i i 7 f w edgealface:onithe'hreeh blqck; substantially as de rib d-Q7514 1] -5 io gielsfeff thispateiit nayeln obtained foi' flxie eentsjeach, bjacidiessinglthe icbmiu gigim ef iatexit sgi l

